Daniel DeLorme wrote: > Austin Ziegler wrote: >>> an OODB can therefore be relational. >> >> Wrong. This is completely backwards. The relational model can >> *certainly* model an object graph; an object graph is not thereby >> automatically relational. You're assuming that "a therefore b" also >> means "b therefore a" and that just ain't the case at all. > > I think *you* have it backwards. All relational models can be expressed > with an object graph but not all objects graphs can be expressed with a > relational model. Have you got an example? -- Alex